Using the latest patcher and BTW 4.8911 I get the following error on creating a new world. Tried 3 times and then also tried loading the world after each crash with the same error.
---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]
Time: 8/7/13 7:08 AM
Description: Exception in server tick loop
java.lang.NoSuchMethodError: kx.cos(F)F
at biomesoplenty.overrides.WorldGenMinableBOP.a(WorldGenMinableBOP.java:40)
at biomesoplenty.biomes.BiomeDecoratorBOP.a(BiomeDecoratorBOP.java:1459)
at biomesoplenty.biomes.BiomeDecoratorBOP.b(BiomeDecoratorBOP.java:1492)
at biomesoplenty.biomes.BiomeDecoratorBOP.a(BiomeDecoratorBOP.java:534)
at biomesoplenty.biomes.BiomeDecoratorBOP.a(BiomeDecoratorBOP.java:518)
at aav.a(BiomeGenBase.java:333)
at biomesoplenty.biomes.BiomeGenGrassland.a(BiomeGenGrassland.java:46)
at biomesoplenty.world.ChunkProviderGenerateBOP.a(ChunkProviderGenerateBOP.java:271)
at iy.a(SourceFile:165)
at abw.a(Chunk.java:1151)
at iy.c(SourceFile:104)
at net.minecraft.server.MinecraftServer.e(SourceFile:224)
at bjg.a(SourceFile:88)
at bjg.c(SourceFile:104)
at net.minecraft.server.MinecraftServer.run(SourceFile:306)
at gp.run(SourceFile:573)
A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 457372352 bytes (436 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FCBlockPistonExtension, FCBlockPistonMoving, FCBlockStone, ...[biomesoplenty.BiomesOPlenty], [biomesoplenty.biomes.BiomeGenAlps, BiomeDecoratorBOP, BiomeGenArctic, ...], [biomesoplenty.configuration.BOPBiomes], [biomesoplenty.integration.BetterThanHorsesIntegration], [biomesoplenty.overrides.WorldGenMinableBOP], [biomesoplenty.world.WorldTypeBOP, WorldChunkManagerBOP, ChunkProviderGenerateBOP], [biomesoplenty.world.layer.BiomeLayer, BiomeLayerCreate, BiomeLayerFuzzyZoom, ...], [biomesoplenty.worldgen.WorldGenTaiga6, WorldGenOasis, WorldGenGravel, ...], [uristqwerty.CraftGuide.CraftGuideLoaderSide, CraftGuideSide, CraftGuide, ...], [uristqwerty.CraftGuide.api.ItemSlotImplementation, Renderer, Util, ...], [uristqwerty.CraftGuide.client.CraftGuideClient, UtilImplementationClient], [uristqwerty.CraftGuide.client.ui.GuiRenderer, NamedTextureObject], [uristqwerty.CraftGuide.client.vanilla.CraftGuideClient_Vanilla], [uristqwerty.CraftGuide.recipes.DefaultRecipeProvider, BrewingRecipes, BTWRecipes], [uristqwerty.gui_craftguide.Color, Rect], [uristqwerty.gui_craftguide.editor.TextureMeta, TextureParameter, ListSize], [uristqwerty.gui_craftguide.minecraft.Gui, Image], [uristqwerty.gui_craftguide.rendering.RendererBase, Renderable, TexturedRect], [uristqwerty.gui_craftguide.texture.Texture, DynamicTexture, SolidColorTexture, ...], [uristqwerty.gui_craftguide.theme.ThemeManager, Theme, SourceType], [uristqwerty.gui_craftguide.theme.reader.ThemeReader, ElementHandler, GenericHandler, ...]
IntCache: cache: 13, tcache: 0, allocated: 1, tallocated: 58
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Very likely; Jar signature invalidated
Craftguide isn't the culprit, fyi. Tried with and without.